Question

a man spends 1/9 of his monthly salary on rent,1/2 on food and 1/4 on clothes and other items. if he has GHC 195 left at the end of the month. how much does he earn?

Answer 1

1/9 + 1/2 + 1/4 = 4/36 + 18/36 + 9/36 = 31/36
so
5/36 is left
(5/36 ) x= 195
x = 36 * 195 / 5 = 1404